/*  This file is part of -_-.

    -_- is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    -_- is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with -_-.  If not, see <http://www.gnu.org/licenses/>.

    Copyright 2012-2013 Oliver Katz */

#ifndef __VISUAL_PANE_H
#define __VISUAL_PANE_H

#include <iostream>
#include "visual.h"

namespace sleepyface
{
	namespace visual
	{
		class PaneManager
		{
		private:
			vector<pair<Region, Region> > regions;
			int scrollbarMinimum;
			Color scrollbarColorBG;
			Color scrollbarColorFG;
			int scrollbarPadding;
			int scrollbarThickness;
			Region calculateScrollbars(Renderer &renderer, int r);
			Region calculateVisibleRegionFromScrollbars(Renderer &renderer, int r, Region scrolls);

		public:
			PaneManager();
			int setScrollbarMinimum(int m);
			int setScrollbarColorBG(Color c);
			int setScrollbarColorFG(Color c);
			int setScrollbarPadding(int p);
			int setScrollbarThickness(int t);
			int append(Region vis, Region scr);
			Region &visibleRegion(int r);
			Region &screenRegion(int r);
			int getSurfaceNameFromCoord(Renderer &renderer, Region coord);
			int render(Renderer &renderer);
		};
	}
}

#endif